CN220751629U - Steering knuckle endurance test device with four-bar linkage structure - Google Patents
Steering knuckle endurance test device with four-bar linkage structure Download PDFInfo
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- CN220751629U CN220751629U CN202322577246.2U CN202322577246U CN220751629U CN 220751629 U CN220751629 U CN 220751629U CN 202322577246 U CN202322577246 U CN 202322577246U CN 220751629 U CN220751629 U CN 220751629U
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a knuckle endurance test device with a four-bar structure, which solves the existing technical problems and can be widely applied to the knuckle endurance test field; the device comprises a top plate, a main bottom plate and a secondary bottom plate, wherein a hub bearing positioning hole connecting seat is fixedly arranged in the middle of the top plate, a first force applying arm is hinged on the top plate parallel to the top plate, a second force applying arm is hinged on the top plate perpendicular to the top plate, and driving motors are arranged on the two force applying arms and used for providing shaking force; the main bottom plate is fixedly provided with a first short rod connecting seat, a second short rod connecting seat and a long rod connecting seat, and the long rod connecting seat is directly fixedly arranged on the main bottom plate and hinged with a long connecting rod; the auxiliary bottom plate is fixedly provided with a transverse plate connecting seat, the transverse plate connecting seat is hinged with the transverse connecting plate, and the two short rod connecting seats are provided with extension parts and are hinged with the short connecting rods at the top ends of the extension parts.
Description
Technical Field
The utility model belongs to the technical field of knuckle endurance test, and particularly relates to a knuckle endurance test device with a four-bar linkage structure.
Background
The automobile steering knuckle is an important part on an automobile, directly influences the safety and comfort performance of the whole automobile, and the fatigue life requirement is a basic requirement for the design of automobile parts. The rear knuckle is an important safety guarantee part on a four-bar suspension automobile, is used for connecting each swing arm, a hub bearing and a brake caliper of a multi-bar independent suspension, mainly plays roles of bearing load, damping and the like, and has relatively complex use conditions, so that the rear knuckle is required to have relatively high reliability, adapt to use requirements under different working conditions and guarantee normal running of the automobile.
The automobile in running can pass through different road surfaces, the knuckle can bear loads of various different working conditions, and the born loads can come from different directions. The knuckle endurance test device developed by the existing manufacturer can only apply unidirectional load generally, and lacks a comprehensive endurance test device.
Disclosure of Invention
The utility model aims to solve the defects of the technology and provides a knuckle endurance test device with a four-bar linkage structure.
The utility model provides a four-bar structure knuckle endurance test device which comprises a top plate, a main bottom plate and a sub bottom plate, wherein a hub bearing positioning hole connecting seat is fixedly arranged in the middle of the top plate, a first force applying arm is hinged on the top plate parallel to the top plate, a second force applying arm is hinged on the top plate perpendicular to the top plate, and driving motors are arranged on the two force applying arms and used for providing shaking force; the main bottom plate is fixedly provided with a first short rod connecting seat, a second short rod connecting seat and a long rod connecting seat, and the long rod connecting seat is directly fixedly arranged on the main bottom plate and hinged with a long connecting rod; the auxiliary bottom plate is fixedly provided with a transverse plate connecting seat, and the transverse plate connecting seat is hinged with the transverse connecting plate.
Preferably, the two short rod connecting seats are provided with extension parts, and are hinged with the short connecting rods at the top ends of the extension parts.
Preferably, the cross plate connecting seat comprises a lower fixing part and an upper connecting part, and the volume of the connecting part is smaller than that of the fixing part; the connecting part is provided with a groove, the inside of the groove is provided with a threaded hole for fixing the fixing part and the connecting part together, and the side wall of the connecting part is hinged with the transverse connecting plate.
Preferably, the first short rod connecting seat and the second short rod connecting seat are both provided with reinforcing parts on the fixing part and the connecting part of the transverse plate connecting seat.
The beneficial effects of the utility model are as follows: the utility model provides a knuckle endurance test device with a four-bar linkage structure, which has the following beneficial effects:
through the arrangement of the multiple connecting seats of the steering knuckle, endurance tests can be carried out on different connecting positions of the steering knuckle, the connecting form of the steering knuckle and a vehicle body in actual use is simulated through the multiple connecting seats, and abrasion of the steering knuckle in running of the vehicle is simulated;
through setting up the reinforcement portion, can share each connecting seat to self wearing and tearing when carrying out endurance test, extension connecting seat's life.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of each connecting seat of the present utility model;
the marks in the figure: 1. the hydraulic steering device comprises a top plate, a first force applying arm, a second force applying arm, a hub bearing positioning hole connecting seat, a first short connecting rod, a second short connecting rod, a long connecting rod, a steering knuckle, a transverse connecting plate, a main bottom plate, a secondary bottom plate, a first short connecting seat, a second short connecting seat, a long connecting seat and a transverse connecting seat.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples to aid in understanding the context of the utility model. The method used in the utility model is a conventional method unless specified otherwise; the raw materials and devices used, unless otherwise specified, are all conventional commercial products.
The utility model provides a knuckle endurance test device with a four-bar structure, which is shown in figures 1 and 2, and comprises a top plate 1, a main bottom plate 10 and a sub bottom plate 11, wherein a hub bearing positioning hole connecting seat 4 is fixedly arranged in the middle of the top plate 1, a first force applying arm 2 is hinged on the top plate 1 parallel to the top plate 1, and a second force applying arm 3 is hinged on the top plate 1 perpendicular to the top plate 1; and driving motors are arranged on the two force application arms and used for providing shaking force. The main bottom plate 10 is fixedly provided with a first short rod connecting seat 12, a second short rod connecting seat 13 and a long rod connecting seat 14; the long rod connecting base 14 is fixedly installed on the main bottom plate 10 directly and hinged with the long connecting rod 7, and the two short rod connecting bases are provided with extension parts and hinged with the short connecting rods at the top ends of the extension parts. The auxiliary bottom plate 11 is fixedly provided with a transverse plate connecting seat 15, the transverse plate connecting seat 15 comprises a lower fixing part and an upper connecting part, a groove is formed in the connecting part, and a threaded hole is formed in the groove and used for fixing the fixing part and the connecting part together; the connecting part is smaller than the fixing part in size and is hinged with the transverse connecting plate at the side wall. The first short rod connecting seat 12, the second short rod connecting seat 13, the fixing part of the transverse plate connecting seat and the side wall of the connecting part are all provided with reinforcing parts.
Before a endurance test is carried out, the hub bearing positioning hole of the steering knuckle 8 is aligned with the hub bearing positioning hole connecting seat 4 for sleeving, and the steering knuckle 8 is fixed on the hub forming positioning hole connecting seat 4 through a hub bolt connecting hole on the steering knuckle 8 by using a bolt; the first short connecting rod 5, the second short connecting rod 6, the long connecting rod 7 and the transverse connecting plate 9 are arranged at the corresponding positions of the steering knuckle 8 and then are arranged on the corresponding connecting seats.
When the endurance test is carried out, the driving motor is started to apply the shaking force parallel to the top plate 1 to the first force applying arm 2 so as to simulate the pressure applied to the steering knuckle 8 along the length direction of the vehicle when the vehicle actually runs, so that the whole structure except the first bottom plate 9 shakes in a small amplitude, the endurance test is carried out on the steering knuckle 8 for the required test time, and the abrasion degree of the steering knuckle 8 is observed after the test is finished.
In the same manner, the driving motor is started to apply a rocking force perpendicular to the roof panel 1 to the second force applying arm 3 to simulate the pressure applied to the knuckle 8 in the vehicle width direction when the vehicle is actually running.
According to the utility model, the four-bar linkage type steering knuckle 8 can be subjected to a endurance test, and the shaking power in different directions is applied to simulate the abrasion state of the steering knuckle 8 when the vehicle shakes in the actual running process, so that the steering knuckle 8 is subjected to the endurance test, and the product quality of the steering knuckle 8 is detected.
Through setting up the reinforcement portion, can share each connecting seat to self wearing and tearing when carrying out endurance test, extension connecting seat's life.
In the description of the present utility model, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must be provided with specific orientations, be configured and operated in specific orientations, and thus are not to be construed as limiting the present utility model.
However, the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the utility model are intended to fall within the scope of the claims.
Claims (4)
1. The four-bar structure knuckle endurance test device comprises a top plate, a main bottom plate and a sub bottom plate, wherein a hub bearing positioning hole connecting seat is fixedly arranged in the middle of the top plate, a first force applying arm is hinged on the top plate parallel to the top plate, a second force applying arm is hinged on the top plate perpendicular to the top plate, and driving motors are arranged on the two force applying arms and used for providing shaking force; the device is characterized in that a first short rod connecting seat, a second short rod connecting seat and a long rod connecting seat are fixedly arranged on the main bottom plate, and the long rod connecting seat is directly fixedly arranged on the main bottom plate and hinged with a long connecting rod; the auxiliary bottom plate is fixedly provided with a transverse plate connecting seat, and the transverse plate connecting seat is hinged with the transverse connecting plate.
2. The four bar linkage knuckle endurance test apparatus of claim 1, wherein both of the two stub link connection seats are provided with extension portions, and are hinged to the stub links at the top ends of the extension portions.
3. The four bar linkage knuckle endurance test apparatus according to claim 1 or 2, wherein the cross plate connecting seat includes a lower fixing portion and an upper connecting portion, the connecting portion being smaller in volume than the fixing portion; the connecting part is provided with a groove, the inside of the groove is provided with a threaded hole for fixing the fixing part and the connecting part together, and the side wall of the connecting part is hinged with the transverse connecting plate.
4. The four bar linkage knuckle endurance test apparatus of claim 3, wherein the first short bar connecting seat and the second short bar connecting seat are provided with reinforcing portions on the fixing portion and the connecting portion of the cross plate connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577246.2U CN220751629U (en) | 2023-09-22 | 2023-09-22 | Steering knuckle endurance test device with four-bar linkage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577246.2U CN220751629U (en) | 2023-09-22 | 2023-09-22 | Steering knuckle endurance test device with four-bar linkage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220751629U true CN220751629U (en) | 2024-04-09 |
Family
ID=90552077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322577246.2U Active CN220751629U (en) | 2023-09-22 | 2023-09-22 | Steering knuckle endurance test device with four-bar linkage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220751629U (en) |
-
2023
- 2023-09-22 CN CN202322577246.2U patent/CN220751629U/en active Active
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